var popupStatus = 0;
function loadPopup() { 
    if(popupStatus==0) {$("#backgroundPopup").css({"opacity": "0.7"});$("#backgroundPopup").fadeIn("slow");$("#popupContact").fadeIn("slow");popupStatus = 1;}
}
function disablePopup() {
    if(popupStatus==1) {$("#backgroundPopup").fadeOut("slow");$("#popupContact").fadeOut("slow");popupStatus = 0;}
}
function centerPopup() {
    var windowWidth = document.documentElement.clientWidth;
    var windowHeight = document.documentElement.clientHeight;
    var popupHeight = $("#popupContact").height();
    var popupWidth = $("#popupContact").width();
    $("#popupContact").css({ "position": "absolute","top": windowHeight/2-popupHeight/2,"left": windowWidth/2-popupWidth/2 });
    $("#backgroundPopup").css({"height": windowHeight});
}
function centerPopup2() {
    var windowWidth = document.documentElement.clientWidth;
    var windowHeight = document.documentElement.clientHeight;
    var popupHeight = $("#popupContact").height();
    var popupWidth = $("#popupContact").width();
    $("#popupContact").css({ "position": "absolute","top":0,"left": windowWidth/2-popupWidth/2 });
    $("#backgroundPopup").css({"height": windowHeight});
}